package org.example.tlias.service.imlp;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import lombok.extern.slf4j.Slf4j;
import org.example.tlias.mapper.EmpExprMapper;
import org.example.tlias.mapper.EmpMapper;
import org.example.tlias.pojo.*;
import org.example.tlias.service.EmpLogService;
import org.example.tlias.service.EmpService;
import org.example.tlias.utils.JwtUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import java.beans.Transient;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Slf4j
@Service
public class EmpServiceImpl implements EmpService {

    @Autowired
    private EmpMapper empMapper;
    @Autowired
    private EmpExprMapper empExprMapper;
    @Autowired
    private EmpLogService    empLogService;
    @Override
    public PageResult<Emp> page(EmpQueryParam empQueryParam) {
        PageHelper.startPage(empQueryParam.getPage(), empQueryParam.getPageSize());
        List<Emp> empList = empMapper.list(empQueryParam);
        Page<Emp> p = (Page<Emp>) empList;
        return new PageResult<Emp>(p.getTotal() , p.getResult());
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void save(Emp emp) {
        try {
            emp.setCreateTime(LocalDateTime.now());
            emp.setCreateTime(LocalDateTime.now());
            empMapper.insert(emp);

            List<EmpExpr> exprList = emp.getExprList();
            if (!CollectionUtils.isEmpty(exprList)) {
                for (EmpExpr expr : exprList) {
                    expr.setEmpId(emp.getId());
                }
                empExprMapper.insertBatch(exprList);
            }
        } finally {
            EmpLog empLog = new EmpLog(null, LocalDateTime.now(), "新增员工" + emp);
            empLogService.insertLog(empLog);
        }


    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void delete(List<Integer> ids) {

        empMapper.deleteByIds(ids);

        empExprMapper.deleteByEmpIds(ids);
    }

    @Override
    public Emp getInfo(Integer id) {
        return empMapper.getById(id);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void update(Emp emp) {
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.updateById(emp);

        empExprMapper.deleteByEmpIds(Arrays.asList(emp.getId()));

        List<EmpExpr> exprList = emp.getExprList();
        if (!CollectionUtils.isEmpty(exprList)) {
            exprList.forEach(empExpr -> empExpr.setEmpId(emp.getId()));
            empExprMapper.insertBatch(exprList);
        }
    }

    @Override
    public LoginInfo login(Emp emp) {
        Emp e = empMapper.selectByUsernameAndPassword(emp);

        if (e != null) {
            log.info("员工登录成功{}", e);
            Map<String, Object> claims = new HashMap<>();
            claims.put("id", e.getId());
            claims.put("username", e.getUsername());
            String jwt = JwtUtils.generateToken(claims);
            return new LoginInfo(e.getId(), e.getUsername(), e.getName(), jwt);

        }
        return null;
    }
}






















